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Full-Text Articles in Psychology
Cognitive Factors And Parasympathetic Regulation As Interacting Mechanisms Of Attention-Deficit/Hyperactivity Disorder, Anthony R. Ward
Cognitive Factors And Parasympathetic Regulation As Interacting Mechanisms Of Attention-Deficit/Hyperactivity Disorder, Anthony R. Ward
FIU Electronic Theses and Dissertations
Attention-deficit/hyperactivity disorder (ADHD) is among the most commonly diagnosed mental health disorders in childhood, and yet, the causal mechanisms of the disorder remain unclear. Deficits in attention regulation, inhibition, and working memory are frequently proposed as core mechanisms of ADHD, but these deficits are highly heterogeneous at the individual level, which hampers advances in understanding the etiology of the disorder. Recent research has shown that parasympathetic nervous system (PNS) regulation is linked to cognitive function and emotion regulation; atypical PNS regulation is associated with problems in these domains as well as higher risk for psychopathology overall. This dissertation examined aspects …
Anxiety And Callous-Unemotional Traits: Physiological And Behavioral Responses To Others' Distress, Kathleen I. Crum
Anxiety And Callous-Unemotional Traits: Physiological And Behavioral Responses To Others' Distress, Kathleen I. Crum
FIU Electronic Theses and Dissertations
Research documents considerable anxiety-related heterogeneity in youth with callous-unemotional traits (CU), a pattern of callousness and shallow emotionality (Frick & Ellis, 1999) associated with lasting impairment (Fontaine et al., 2011). This heterogeneity may relate to behavioral differences, with the presence of both CU and anxiety associated with increased questionnaire-based reports of aggression and/or historical documentations of past aggression (Kahn et al., 2013). Anxiety in CU youth is associated with greater attention to others’ distress cues (Kimonis et al., 2012) compared to CU-only counterparts, in contrast to the decreased distress-cue attentiveness thought to contribute to aggression in CU youth (Dadds et …